Office 2007 File Converter
for Older Versions of Office

Microsoft changed the format of their documents when they released Office 2007. You'll notice that the Word files have a ".docx" at the end of the file, instead of the older ".doc." extension. Older versions of Microsoft Office cannot read the Office 2007 format unless you install Microsoft's File Format Converters program. Here's how:

Click here to download and install FileFormatConverters.exe

The download page provides the following installation instructions:

Instructions

To install this download:
  1. Ensure your system is up to date by installing all High-Priority/Required updates on Microsoft Update (required for Microsoft Office XP and 2003 users).
  2. After installing all High-Priority/Required updates with Microsoft Update, download the Compatibility Pack by clicking the Download button above and saving the file to your hard disk.
  3. Double-click the FileFormatConverters.exe program file on your hard disk to start the setup program.
  4. Follow the instructions on the screen to complete the installation.

Click on the Download button to begin the install and follow the instructions:

Click the Download button

From Microsoft's Office Compatibility Pack Site, here's what versions will work with this File Converter:

System Requirements